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https://issues.apache.org/jira/browse/MESOS-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15051817#comment-15051817
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James DeFelice commented on MESOS-4120:
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>From a K8s integration perspective it's preferable that some sidecar framework 
>component could update the a task's DiscoveryInfo vs. putting all of that 
>responsibility on the executor.

> Make DiscoveryInfo dynamically updatable
> ----------------------------------------
>
>                 Key: MESOS-4120
>                 URL: https://issues.apache.org/jira/browse/MESOS-4120
>             Project: Mesos
>          Issue Type: Improvement
>            Reporter: Sargun Dhillon
>            Priority: Critical
>              Labels: mesosphere
>
> K8s tasks can dynamically update what they expose to make discoverable by the 
> cluster. Unfortunately, all DiscoveryInfo the cluster is immutable, at the 
> time of task start. 
> We would like to enable DiscoveryInfo to be dynamically updatable, so that 
> executors can change what they're advertising based on their internal state, 
> versus requiring DiscoveryInfo to be known prior to starting the tasks. 



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